.ui-btn[data-icon="wa-comment"]::after
{
    background-image: url('../images/icons/whatsapp.png') !important;
    background-repeat: no-repeat;
    background-size: 22px 22px;
    background-position: center;
}

.ui-icon-whatsapp
{
    background-image: url('../images/icons/whatsapp.png') !important;
    background-repeat: no-repeat;
    background-size: 22px 22px;
    background-position: 6px center;
    width: 100px;
    text-align: right;
}

.ui-icon-whatsapp-nowidth
{
    background-image: url('../images/icons/whatsapp.png') !important;
    background-repeat: no-repeat;
    background-size: 22px 22px;
    background-position: 6px center;
    text-align: right;
}